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Individual Calculations September 2023 |
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| Sykes, Chris Total change: -46.40 | |   |
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| Edinburgh Park Festival - Intermediate U1900 | Edinburgh | SCO | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1457 | 1765 | 3.50 | 5 | -0.73 | 20 | -14.60 | |
|  Corke, Alexander | | | 1448 | SCO | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Stewart, Harvey | | | 1408 | SCO | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Hall, David G | | | 1628 | SCO | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Pearston, John M | | | 1378 | SCO | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nield, Christopher | | | 1421 | SCO | 0.50 | 1 | -0.38 | 20 | -7.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Manchester Summer Chess Congress August 2023 | Bolton | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1765 | 1.00 | 4 | -0.45 | 20 | -9.00 | |
| | Taylor, Mark | | | 1643 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lalic, Bogdan | g | | 2346 | CRO | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Fellowes, Billy | | | 1827 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Burns, Martin J | | | 1874 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Northumbria Masters Challengers | Newcastle upon Tyne | ENG | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1765 | 4.00 | 9 | -1.14 | 20 | -22.80 | |
| | Boggarapu, Kritan | | | 1938 | SCO | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Trevelyan, Sam | | | 1381 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Egan, David | | | 1912 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Spanton, Tim R | | | 1858 | ENG | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Oh, Julie | | | 1365 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kowalski Rubiales, Nicholas | | | 1693 | ESP | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Roul, Tushar | | | 1494 | SCO | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Costello, Colin A | | | 1823 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Clarke, Niall | | | 1751 | ENG | 0.50 | 1 | -0.02 | 20 | -0.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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